diff --git a/cups/files/printer-details.py b/cups/files/printer-details.py
index 323303b..b2a425c 100755
--- a/cups/files/printer-details.py
+++ b/cups/files/printer-details.py
@@ -132,11 +132,15 @@ def getdata(name, addr, templates):
         baseoid + '.6.1'), snmpdata.keys()))
     data += '<table>\n'
     for k in keys:
+        try:
+            value = '  %s\n' % getstatus(snmpdata['%s.9.1.%s' % (baseoid, k)],
+                                         snmpdata['%s.8.1.%s' % (baseoid, k)])
+        except KeyError:
+            continue
         data += '<tr>\n'
         data += '  <td>%s:</td>\n' % (
             snmpdata[baseoid + '.6.1.' + k])
-        data += '  %s\n' % getstatus(snmpdata['%s.9.1.%s' % (baseoid, k)],
-                                 snmpdata['%s.8.1.%s' % (baseoid, k)])
+        data += value
         data += '</tr>\n'
     data += '</table>\n'
     data += '\n'
@@ -244,7 +248,7 @@ def readtemplate(name, *args, **kwargs):
 
 ## snmp functions
 def snmpget(community, hostname, *args):
-    cmdline = [ 'snmpget', '-On', '-v', '1', '-c', community, hostname ]
+    cmdline = [ 'snmpget', '-Ona', '-v', '1', '-c', community, hostname ]
     for o in args:
         cmdline.append(o)
     ret = {}
@@ -257,13 +261,21 @@ def snmpget(community, hostname, *args):
 
 
 def snmpwalk(community, hostname, oid):
-    cmdline = [ 'snmpwalk', '-On', '-v', '1', '-c', community, hostname, oid ]
+    cmdline = [ 'snmpwalk', '-Ona', '-v', '1', '-c', community, hostname, oid ]
     ret = {}
     cmd = Popen(cmdline, stdout=PIPE, stderr=PIPE, close_fds=True)
+    buff = ''
     for line in cmd.stdout.readlines():
-        line = snmpparse(line)
-        if line is not None:
-            ret[line[0]] = line[1]
+        if re.search('[\.0-9]* = .*', line):
+            buff = snmpparse(buff)
+            if buff is not None:
+                ret[buff[0]] = buff[1]
+            buff = line.strip()
+        else:
+            buff += line.strip()
+    buff = snmpparse(buff)
+    if buff is not None:
+        ret[buff[0]] = buff[1]
     return ret